If its anything like my G&P G3 RIS then you could cut them down, they have a block with clamps onto the front of the body under the ris which you bolt the RIS down too.
Go into your control panel, go to the bottom and on the left nav bar you'll see 'manage friend list'
Also if you go into 'view personal portal information' you'll find an option of wether you want email notification of friend requests or not, all a bit myspazy
Don't know if this is a fault with the new thingies, but i've been getting topic subscription notification emails for every post rather than the first new one per topic, something like 60 emails today :s
My collection has no room for a gun as useless as the MP7 My collection also has no room for a gun i hate as much as the Hk ghey-416 as i like to call it